Quarter	US dollars
1999-09-30	10
1999-12-31	48
2000-03-31	46
2000-06-30	61
2000-09-30	46
2000-12-31	12
2001-03-31	24
2001-06-30	30
2001-09-30	41
2001-12-31	22
2002-03-31	34
2002-06-30	32
2002-09-30	41
2002-12-31	24
2003-03-31	32
2003-06-30	40
2003-09-30	45
2003-12-31	57
2004-03-31	31
2004-06-30	25
2004-09-30	14